Toshiba satellite a20 series User Manual

Appendices 

Appendix G  

This Appendix explains how to rewrite the system BIOS program when you update the 
system BIOS. 
 
Tools 
 
To rewrite the BIOS, you need the following tool: 

 BIOS/EC/KBC rewriting disk for the computer that has renewed BIOS data. 

 
Rewriting the BIOS 

1.  Set the system to boot mode. 

2.  Turn off the power to the computer. 

3.  Remove the external cable and PC card. 

4.  Insert the BIOS/EC/KBC rewriting disk into the USB FDD. 

5.  Turn on the power while holding down the Tilde key. 

 (Keep holding down the key until a message appears on the screen.)   
The BIOS rewriting starts. 

6.  When the process is completed, eject the BIOS/EC/KBC rewriting disk and the 

system is automatically reset.